| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (314) 521-30** | (314) 521-3000 - (314) 521-3097 | 82 |
| (314) 521-31** | (314) 521-3100 - (314) 521-3199 | 88 |
| (314) 521-32** | (314) 521-3200 - (314) 521-3299 | 83 |
| (314) 521-33** | (314) 521-3300 - (314) 521-3399 | 79 |
| (314) 521-34** | (314) 521-3400 - (314) 521-3499 | 90 |
| (314) 521-35** | (314) 521-3500 - (314) 521-3599 | 84 |
| (314) 521-36** | (314) 521-3600 - (314) 521-3699 | 86 |
| (314) 521-37** | (314) 521-3700 - (314) 521-3799 | 86 |
| (314) 521-38** | (314) 521-3800 - (314) 521-3897 | 83 |
| (314) 521-39** | (314) 521-3900 - (314) 521-3999 | 84 |
US Phone Directory: (314) 521-3***
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